CN116238456A - Method and device for determining disassembly state of power battery, vehicle and storage medium - Google Patents
Method and device for determining disassembly state of power battery, vehicle and storage medium Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/102—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device a signal being sent to a remote location, e.g. a radio signal being transmitted to a police station, a security company or the owner
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Abstract
The invention discloses a method and a device for determining a disassembly state of a power battery, a vehicle and a storage medium. Wherein the method comprises the following steps: acquiring an indication signal of a disassembly indication switch, wherein the indication signal is used for indicating that the power battery is disassembled; determining a status signal of the power battery in response to the indication signal for indicating that the power battery is disassembled, wherein the status signal is used for determining whether the power battery is in a state allowing maintenance; and determining a dismantling state of the power battery based on the state signal, wherein the dismantling state is used for representing whether the dismantling state of the power battery is a normal dismantling state or not. The invention solves the technical problem that the power battery cannot be effectively prevented from being maliciously disassembled.
Description
Technical Field
The present invention relates to the field of vehicles, and in particular, to a method and apparatus for determining a disassembled state of a power battery, a vehicle, and a storage medium.
Background
At present, most of power battery disassembly prevention technologies are used for preventing disassembly through a mechanical structure, recovery cannot be achieved after disassembly, and the device itself can be damaged by partial disassembly prevention technologies. However, in an actual application scenario, support and protection are required for normal disassembly and maintenance, and the device is damaged after disassembly through a mechanical structure, so that the device cannot be recovered.
In addition, the disassembly technique of the power battery cannot recognize whether the disassembly is normal or malicious. For all power battery disassembly, the disassembly is considered as malicious disassembly, and an automatic damage system of the power battery can be triggered, so that the power battery is damaged by the mechanical structure of the shell of the disassembled device or the disassembled device.
Aiming at the problem that the prior art can not effectively prevent the power battery from being maliciously disassembled, no effective solution is proposed at present.
Disclosure of Invention
The embodiment of the invention provides a method and a device for determining a disassembly state of a power battery, a vehicle and a storage medium, which at least solve the technical problem that the power battery cannot be effectively prevented from being maliciously disassembled.
According to an aspect of an embodiment of the present invention, there is provided a method for determining a disassembled state of a power battery, in which a disassembly indication switch is installed, the method may include: acquiring an indication signal of a disassembly indication switch, wherein the indication signal is used for indicating that the power battery is disassembled; determining a status signal of the power battery in response to the indication signal for indicating that the power battery is disassembled, wherein the status signal is used for determining whether the power battery is in a state allowing maintenance; and determining a dismantling state of the power battery based on the state signal, wherein the dismantling state is used for representing whether the dismantling state of the power battery is a normal dismantling state or not.
Optionally, determining the disassembled state of the power battery based on the state signal includes: and responding to the state signal for representing that the power battery is in a state allowing maintenance, and determining that the dismantling state is a normal dismantling state.
Optionally, determining the disassembled state of the power battery based on the state signal includes: and determining that the disassembled state is the disassembly prohibited state in response to the state signal for indicating that the power battery is in the maintenance prohibited state.
Optionally, the method further comprises: and responding to the disassembly state as the disassembly prohibition state, prohibiting the disassembly of the power battery, and triggering prompt information.
Optionally, in response to the disassembled state being the disassembly prohibition state, triggering the prompt message includes: responding to the disassembly state as the disassembly prohibition state, and acquiring the position information of the power battery and the time information of the current moment; and sending prompt information containing the position information and the time information to the terminal, and displaying the prompt information in a display interface of the terminal.
Optionally, the method further comprises: acquiring a secret key input by a terminal; and responding to the matching of the secret key and the identity information of the power battery, and determining that the terminal and the power battery are successfully connected.
Optionally, the method further comprises: acquiring state data input by a terminal in response to successful connection of the terminal and the power battery; the status signal of the power cell is modified based on the status data.
According to another aspect of the embodiment of the present invention, there is also provided a device for determining a disassembly state of a power battery, in which a disassembly indication switch is installed, the device may include: the acquisition unit is used for acquiring an indication signal of the disassembly indication switch, wherein the indication signal is used for indicating that the power battery is disassembled; the processing unit is used for responding to the indication signal to indicate that the power battery is disassembled and determining a state signal of the power battery, wherein the state signal is used for determining whether the power battery is in a state allowing maintenance; the determining unit is used for determining the disassembling state of the power battery based on the state signal, wherein the disassembling state is used for representing whether the disassembling state of the power battery is a normal disassembling state or not.
According to another aspect of the embodiment of the invention, a vehicle is also provided. The vehicle is used for executing the method for determining the disassembly state of the power battery according to the embodiment of the invention.
According to another aspect of an embodiment of the present invention, there is also provided a computer-readable storage medium. The computer readable storage medium comprises a stored program, wherein the device in which the computer readable storage medium is located is controlled to execute the method for determining the disassembly state of the power battery according to the embodiment of the invention when the program runs.
In the embodiment of the invention, a disassembly indication switch is arranged in the power battery, and an indication signal of the disassembly indication switch is obtained, wherein the indication signal is used for indicating that the power battery is disassembled; determining a status signal of the power battery in response to the indication signal for indicating that the power battery is disassembled, wherein the status signal is used for determining whether the power battery is in a state allowing maintenance; and determining a dismantling state of the power battery based on the state signal, wherein the dismantling state is used for representing whether the dismantling state of the power battery is a normal dismantling state or not. That is, through obtaining the inside instruction signal of disassembling the instruction switch of power battery and the status signal of power battery, based on the status signal of confirm, confirm whether power battery is the normal state of disassembling, only when the state of disassembling is the normal state of disassembling, only allow to disassemble power battery to realized effectively preventing power battery by maliciously disassembled technical effect, solved the technical problem that can't effectively prevent power battery by maliciously disassembled.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
Fig. 1 is a flowchart of a method of determining a disassembled state of a power cell according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method of determining whether a power cell has been maliciously disassembled according to an embodiment of the invention;
FIG. 3 is a schematic diagram of an apparatus for preventing a power cell from being maliciously disassembled according to an embodiment of the invention;
FIG. 4 is a flow chart of a power battery service according to an embodiment of the invention;
fig. 5 is a schematic view of a determination device of a disassembled state of a power battery according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
According to an embodiment of the present invention, there is provided an embodiment of a method of determining a disassembled state of a power cell, it being noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order other than that herein.
Fig. 1 is a flowchart of a method for determining a disassembled state of a power battery according to an embodiment of the present invention, and as shown in fig. 1, the method may include the steps of:
step S102, an indication signal of a disassembly indication switch is obtained, wherein the indication signal is used for indicating that the power battery is disassembled.
In the technical scheme provided in the step S102, a disassembly indication switch is installed inside the power battery, so that an indication signal of the power battery internal disassembly indication switch can be obtained, and the indication signal is used for indicating that the power battery is disassembled. The indication signal may be a signal displayed by the disassembly indication switch, may be used for indicating the disassembly state of the power battery, and may be represented by a number, for example, the indication signal may be 1 or may be 0, and it should be noted that the indication signal is only an example and does not specifically limit the expression form and the size of the indication signal.
Optionally, a plurality of disassembling indication switches can be installed in the power battery, for example, the plurality of disassembling indication switches can be distributed at the joint of the upper box body and the lower box body in the power battery, and the microcontroller can acquire the indication signals of the disassembling indication switches. Wherein the microcontroller may be a single chip microcomputer integrating the main part of the microcomputer on one chip.
Alternatively, the microcontroller may acquire an indication signal of the power battery internal disassembly indication switch, and verify the validity of the indication signal. When the microcontroller acquires the indication signal as 2, the indication signal indicates that the disassembly indication switch is in fault, and the indication signal at the moment is not used as a standard for judging whether the power battery is disassembled or not. When the microcontroller acquires a valid indication signal, for example, when the acquired indication signal is 1, it can be determined that the power battery is disassembled at this time, and the valid indication signal can be used as a standard for judging whether the power battery is disassembled.
For example, the disassembly indication switch may display an indication signal, and a state indicated by the indication signal may be used as a state of whether the power battery is disassembled or not. When the acquired indication signal of the disassembly indication switch is 1, the power battery is disassembled, and the separation of the upper box body and the lower box body in the power battery can be determined; when the acquired indication signal of the disassembly indication switch is 0, which indicates that the power battery is not disassembled, the separation of the upper box body and the lower box body in the power battery can be determined; when the acquired indication signal of the disassembly indication switch is 2, the disassembly indication switch is indicated to be faulty, and the disassembly indication switch can be determined to perform self-diagnosis.
Step S104, responding to the indication signal for indicating that the power battery is disassembled, and determining a state signal of the power battery, wherein the state signal is used for determining whether the power battery is in a state allowing maintenance.
In the technical solution provided in the above step S104 of the present invention, based on the obtained indication signal of the disassembly indication switch, it is determined whether the indication signal is used to indicate that the power battery is disassembled, when the indication signal is used to indicate that the power battery is disassembled, the state signal of the power battery can be further determined in response to the indication signal being used to indicate that the power battery is disassembled. The status signal may be used to determine whether the power battery is in a state allowing maintenance, and may be a status value stored in the memory or preset, and may be represented by a number, for example, may be represented by 1 or 0, which is to be noted herein, by way of example only, and no specific limitation is imposed on the size and expression form of the status value.
Optionally, after the indication signal is acquired, it is determined whether the power battery is in a disassembled state, and the state signal stored in the memory can be determined by the microcontroller in response to the indication signal for indicating that the power battery is disassembled. Based on the determined status signal, it may be used to determine whether the power cell is in a state that allows for maintenance.
For example, a plurality of disassembly indication switches are installed inside the power battery, and only when all effective indication signals are 1, the power battery can be judged to be disassembled; when there is a valid indication signal of 0, it is determined that the power cell is not disassembled. When judging whether the indication signal is used for indicating that the power battery is disassembled or not, responding to the indication signal for indicating that the power battery is disassembled, and determining that the state signal of the power battery is 1 through the microcontroller, so that the power battery can be determined to be in a state allowing maintenance.
Step S106, determining a dismantling state of the power battery based on the state signal, wherein the dismantling state is used for representing whether the dismantling state of the power battery is a normal dismantling state or not.
In the technical solution of step S106 of the present invention, the disassembled state of the power battery may be determined based on the acquired state signal of the power battery. The disassembly state is used for representing whether the power battery is normally disassembled or not.
Optionally, after the microcontroller acquires the effective indication signal, a state signal stored in the microcontroller memory can be determined, and when the determined state signal is 1, the disassembled state of the power battery is a disassembly maintenance permission state and is a normal disassembly state; when the determined state signal is 0, the power battery is in a disassembled state in which disassembly maintenance is prohibited, and is in an abnormal disassembled state.
According to the invention, in the steps S102 to S106, the indication signal of the disassembly indication switch is obtained, wherein the indication signal is used for indicating that the power battery is disassembled; determining a status signal of the power battery in response to the indication signal for indicating that the power battery is disassembled, wherein the status signal is used for determining whether the power battery is in a state allowing maintenance; and determining a dismantling state of the power battery based on the state signal, wherein the dismantling state is used for representing whether the dismantling state of the power battery is a normal dismantling state or not. That is, through obtaining the inside instruction signal of disassembling the instruction switch of power battery and the status signal of power battery, based on status signal, confirm whether power battery's the state of disassembling is the state of disassembling normally, only when the state of disassembling is the state of disassembling normally, only allow to disassemble power battery to realized effectively preventing power battery by maliciously disassembled technological effect, solved the technical problem that can't effectively prevent power battery by maliciously disassembled.
The above-described method of this embodiment is further described below.
As an alternative embodiment, step S106, based on the status signal, determines the disassembled state of the power battery, including: and responding to the state signal for representing that the power battery is in a state allowing maintenance, and determining that the dismantling state is a normal dismantling state.
In this embodiment, a status signal of the power battery is obtained, it is determined whether the status signal is used to indicate that the power battery is in a state allowing maintenance, and in response to the status signal is used to indicate that the power battery is in a state allowing maintenance, it is possible to determine that the disassembled state of the power battery is a normal disassembled state.
Optionally, based on the obtained valid indication signal, the microcontroller may determine whether the power battery is in a state allowing maintenance by looking at a state signal stored inside the memory in response to the indication signal for indicating that the power battery is disassembled. When the state signal is 1, the response state signal is used for representing that the power battery is in a state allowing maintenance, so that the disassembly action of the power battery at the moment is allowed, and therefore, the power battery at the moment can be determined to be in a normal disassembly state.
For example, when the power battery is in a normal disassembled state, the microcontroller may read current year, month and day information from the clock module, and read position information of the power battery from the position locating module, and store the read time and position information into the memory.
As an alternative embodiment, step S106, based on the status signal, determines the disassembled state of the power battery, including: and determining that the disassembled state is the disassembly prohibited state in response to the state signal for indicating that the power battery is in the maintenance prohibited state.
In this embodiment, a status signal of the power battery is obtained, the status signal is determined, and the status signal is used to characterize that the power battery is in a maintenance prohibited state in response to the status signal, so that it can be determined that the disassembled state of the power battery is the disassembly prohibited state.
Optionally, based on the obtained valid indication signal, the microcontroller may determine whether the power battery is in a state allowing maintenance by looking at a state signal stored inside the memory in response to the indication signal for indicating that the power battery is disassembled. When the state signal is 0, determining that the state signal is used for representing that the power battery is in a maintenance-prohibited state, and responding to the state signal for representing that the power battery is in the maintenance-prohibited state, determining that the disassembly of the battery is not permitted at the moment, and determining that the disassembly state of the power battery is the disassembly-prohibited state.
For example, when the power battery is in the disassembly prohibited state, the microcontroller determines that the disassembly is malicious. At this time, the microcontroller may read current year, month and day information from the clock module, and read position information of the power battery from the position locating module, and store the read time and position information into the memory.
As an alternative embodiment, the method further comprises: and responding to the disassembly state as the disassembly prohibition state, prohibiting the disassembly of the power battery, and triggering prompt information.
In this embodiment, based on the acquired state signal of the power battery, it may be determined whether the power battery is in a maintenance-permitted state, and in response to the state signal, it is used to characterize that the power battery is in a maintenance-prohibited state, so that it may be determined that the disassembled state of the power battery is the disassembly-prohibited state. When the power battery is in the disassembly prohibition state, disassembly of the power battery is prohibited, and prompt information is triggered. The prompting information may be information for prompting that the battery is in an abnormal disassembly state, for example, may be "the battery is abnormally disassembled at 13 points", and may include time information of current disassembly and position information of the power battery, which is only an example herein, and does not specifically limit the content and the expression form of the prompting information.
Optionally, based on the obtained valid indication signal, when the indication signal is used for indicating that the power battery is disassembled, the obtained state signal is 0, the state signal may be determined to be used for indicating that the power battery is in a maintenance prohibited state, and the disassembled state of the power battery may be determined to be the disassembly prohibited state in response to the state signal being used for indicating that the power battery is in the maintenance prohibited state. At this time, disassembly of the power battery is prohibited, and information prompting that the power battery is in an abnormal disassembly state is triggered, where the triggered prompting information may include time information of current disassembly and position information of the power battery.
As an optional embodiment, in response to the disassembly state being the disassembly prohibition state, triggering a prompt message includes: responding to the disassembly state as the disassembly prohibition state, and acquiring the position information of the power battery and the time information of the current moment; and sending prompt information containing the position information and the time information to the terminal, and displaying the prompt information in a display interface of the terminal.
In this embodiment, based on the acquired status signal of the power battery, it may be determined whether the power battery is in a maintenance-enabled state, and in response to the status signal for indicating that the power battery is in a maintenance-disabled state, it may be determined that the disassembled state of the power battery is the disassembly-disabled state. When the power battery is in a disassembly forbidden state, the position information of the power battery and the time information of the current moment are obtained, prompt information containing the position information and the time information is sent to the terminal, and finally the prompt information is displayed in a display interface of the terminal. The terminal may be a mobile terminal, for example, may be an encryption device of a vehicle owner, an after-sales service terminal, and the like.
Optionally, when the power battery is in the disassembly forbidden state, acquiring the position information of the power battery and the time information of the current moment, and sending the acquired position information of the power battery and the time information of the current moment to the after-sales service cloud, wherein the after-sales service cloud displays the acquired position information of the power battery and the time information of the current moment on a display screen of the after-sales service terminal after receiving the position information of the power battery and the time information of the current moment.
For example, based on the obtained valid indication signal, when the indication signal is used to indicate that the power battery is disassembled, the obtained state signal is 0, the state signal may be determined to be used to indicate that the power battery is in a maintenance prohibited state, and the disassembled state of the power battery may be determined to be the disassembly prohibited state in response to the state signal being used to indicate that the power battery is in the maintenance prohibited state. At this time, the microcontroller acquires year, month, day, and the like information of the current time from the clock module, and acquires position information of the power battery from the position locating module, and stores the acquired position information of the power battery and time information of the current time into the memory. And then the microcontroller controls the wireless transmitting device to send the acquired position information of the power battery and the time information of the current moment to the after-sales service cloud. After receiving the prompt message, the after-sales service cloud can give an alarm to a mobile terminal of a vehicle owner of the power battery.
As an alternative embodiment, the method further comprises: acquiring a secret key input by a terminal; and responding to the matching of the secret key and the identity information of the power battery, and determining that the terminal and the power battery are successfully connected. The terminal may be an after-sales encryption device, which may modify the status signal of the power cell.
In this embodiment, the key input by the terminal is acquired, and when the acquired key is matched with the identity information of the power battery, it is determined that the terminal and the power battery are successfully connected. The key may be a parameter input in an algorithm for converting plaintext into ciphertext or converting ciphertext into plaintext, and may be used for encrypting and decrypting data.
Optionally, after the key input by the after-sale encryption device is obtained, the key input by the after-sale encryption device and the key of the microcontroller can be confirmed, if the confirmation is successful, the key is matched with the identity information of the power battery, and the purpose of determining that the after-sale encryption device is successfully connected with the power battery is achieved.
As an alternative embodiment, the method further comprises: acquiring state data input by a terminal in response to successful connection of the terminal and the power battery; the status signal of the power cell is modified based on the status data.
In this embodiment, after the key of the terminal is successfully matched with the identity information of the power battery, the terminal and the power battery are successfully connected, and then the state data input by the terminal can be acquired. Based on the acquired status data, the status signal of the power cell may be modified. The state data may be used to characterize whether the power cell is in a normal disassembled state.
Optionally, confirming the key input by the after-sale encryption equipment with the key of the microcontroller, and if the confirmation fails, prohibiting the modification of the state signal of the power battery; if the confirmation is successful, the state data of the after-sales encryption device can be acquired in response to the connection of the after-sales encryption device and the power battery being successful, and the state signal of the power battery is modified based on the acquired state data.
For example, the key input by the after-sales encryption device is confirmed with the microcontroller, and after the confirmation is successful, the state data of the after-sales encryption device can be obtained in response to the successful connection between the after-sales encryption device and the power battery. When the power battery is required to be normally disassembled, the state data can be set at the terminal to be the power battery to be normally disassembled, the state signal of the power battery can be modified to be 1 based on the acquired state data, and when the power battery is required to be stopped to be normally disassembled, the state signal of the power battery is modified to be 0.
In the embodiment of the application, the terminal is connected with the power battery through the secret key, so that the purpose of controlling the power battery at the terminal is achieved. The state signal of the power battery can be set at the terminal, when the power battery is required to be maintained, the maintenance state of the power battery can be set at the terminal in advance in order to avoid triggering an automatic protection mechanism of the power battery in the process of disassembling the power battery, so that the technical effect of effectively preventing the power battery from being maliciously disassembled is achieved, and the technical problem that the power battery cannot be effectively prevented from being maliciously disassembled is solved.
According to the embodiment, the indication signal of the disassembly indication switch is obtained, wherein the indication signal is used for indicating that the power battery is disassembled; determining a status signal of the power battery in response to the indication signal for indicating that the power battery is disassembled, wherein the status signal is used for determining whether the power battery is in a state allowing maintenance; and determining a dismantling state of the power battery based on the state signal, wherein the dismantling state is used for representing whether the dismantling state of the power battery is a normal dismantling state or not. That is, through obtaining the inside instruction signal of disassembling the instruction switch of power battery and the status signal of power battery, based on the status signal of confirm, confirm whether power battery's the state of disassembling is the state of disassembling normally, only when the state of disassembling is the state of disassembling normally, only allow to disassemble power battery to realized effectively preventing power battery by maliciously disassembled technological effect, solved the technical problem that can't effectively prevent power battery by maliciously disassembled.
Example 2
The technical solution of the embodiment of the present invention will be illustrated in the following with reference to a preferred embodiment.
Most of the dismantling prevention technologies are used for preventing dismantling through mechanical structures, the dismantling cannot be recovered, and some dismantling self-destruction technologies can damage the device. In practical application scenarios, some scenarios allow for disassembly of the device, that is, support and protection are required for normal disassembly repair. However, the existing anti-dismantling technology cannot identify normal dismantling and malicious dismantling, and damage to the mechanical structure of the dismantling device shell or damage to the dismantling device can be caused to all dismantling devices.
In order to solve the problems, an electric vehicle anti-theft method is provided, wherein the electric vehicle is prevented from being stolen by judging the distance between the position of the electric vehicle and the position of the electric vehicle controller, and when the distance between the position of the electric vehicle and the position of the electric vehicle controller is larger than a limit value, a power system of the electric vehicle is locked to prohibit the electric vehicle from being used, but the method has the problem that whether a power battery of the electric vehicle is maliciously disassembled or not cannot be judged. The method is characterized in that whether the equipment is disassembled maliciously is identified by the anti-disassembling device, if the equipment is disassembled maliciously, the self-destroying circuit is started to detonate the initiating explosive device, so that an internal storage medium is destroyed, and the equipment is destroyed after the equipment is disassembled maliciously, so that the problem of alarm prompt is solved. The invention also provides an anti-dismantling case, which is characterized in that after an electronic device in the case receives an external correct dismantling password, the electronic device drives the inside to unlock, so that an external person can open the case, but the method has the problem that whether a power battery is dismantled maliciously cannot be judged.
Further, the embodiment of the invention provides a method for determining the dismantling state of a power battery, which determines whether the dismantling state of the power battery is a normal dismantling state or not based on a determined state signal by acquiring an indication signal of a dismantling indication switch and a state signal of the power battery, and only when the dismantling state is the normal dismantling state, the power battery is allowed to be dismantled, so that the technical effect of effectively preventing the power battery from being dismantled maliciously is realized, and the technical problem that the power battery cannot be effectively prevented from being dismantled maliciously is solved. The embodiment of the invention adopts the judgment and the processing of the electronic signals, so that the invention does not involve the anti-disassembly measure on the mechanical structure, and the power battery can not damage the shell structure and the power battery after being disassembled. In addition, the embodiment of the invention can accurately judge whether the disassembling state of the power battery is a normal disassembling state, and the power battery is not damaged for the normal disassembling state; and for the abnormal disassembly state, alarming and reminding can be carried out on the mobile terminal of the owner of the power battery.
Fig. 2 is a flowchart for determining whether a power battery is maliciously disassembled, according to an embodiment of the present invention, as shown in fig. 2, the flowchart including the steps of:
in step S201, the microcontroller receives an instruction signal to disassemble the instruction switch.
In the above step S201, the instruction signal of the power battery internal disassembly instruction switch is acquired, and at the same time, it is diagnosed whether the disassembly instruction switch has a failure. A plurality of disassembling indication switches are arranged in the power battery, and the plurality of disassembling indication switches are distributed at the joint of the upper box body and the lower box body in the power battery. When the microcontroller receives an indication signal of 1 for disassembling the indication switch, the power battery is disassembled, and the separation of an upper box body and a lower box body in the power battery can be determined; when the microcontroller receives the indication signal of the disassembly indication switch to be 0, the power battery is not disassembled, and the upper box body and the lower box body in the power battery can be determined to be combined. In addition, the disassembly indication switch has a self-diagnosis function, and when the microcontroller receives an indication signal of the disassembly indication switch as 2, the disassembly indication switch is indicated to be faulty. The indication signal of the fault disassembly indication switch is not used as a signal for judging whether the power battery is disassembled, and the indication signal of the fault-free disassembly indication switch can be used as a signal for judging whether the power battery is disassembled.
In this embodiment, the microcontroller receives an indication signal of the power battery internal disassembly indication switch and verifies the validity of the indication signal, wherein a memory capable of being repeatedly rewritten is provided in the microcontroller, and state signals, clock information and position information are stored in the memory. The indication signal of the disassembly indication switch is a digital signal, the normal value range of the indication signal is 0-2, and when the indication signal exceeds the normal value range, the microcontroller judges that the indication signal is invalid. The indication signal of the disassembly indication switch with the indication signal invalid or fault is not used as a signal for judging whether the power battery is disassembled, and the indication signal of the disassembly indication switch with the indication signal valid and without fault can be used as a signal for judging whether the power battery is disassembled. Because the power battery is internally provided with a plurality of disassembly indication switches, the microcontroller judges the indication signals of all the disassembly indication switches, and only when all the effective indication signals are 1, the power battery can be judged to be disassembled; when there is a valid indication signal of 0, it is determined that the power cell is not disassembled.
In step S202, the microcontroller determines a status signal of the power battery.
In the above step S202, after receiving the valid indication signal, the microcontroller checks the status signal stored in the memory. The status signal is modified by an after-market encryption device that performs key validation with the microcontroller prior to modifying the status signal. If the key confirmation fails, the after-sale encryption equipment is forbidden to modify the state signal; if the key confirmation is successful, the state data of the after-sales encryption device can be obtained in response to the connection of the after-sales encryption device and the power battery being successful. The obtained state data is that the power battery is in a normal disassembly state, the after-sales encryption equipment modifies the state signal of the power battery to be 1 based on the obtained state data, and after the normal disassembly state is completed, the after-sales encryption equipment modifies the state signal of the power battery to be 0.
In step S203, the status signal is 1.
In the step S203, the microcontroller checks the status signal stored in the memory, and when the determined status signal is 1, responds to the status signal to indicate that the power battery is in a state allowing maintenance, determines that the disassembled state is a normal disassembled state, and then proceeds to the step S204; when the determined state signal is 0, in response to the state signal indicating that the power battery is in the maintenance prohibited state, it is determined that the disassembly state is the disassembly prohibited state, and the process proceeds to step S205.
In step S204, the microcontroller records the time and position information of the power battery that is normally disassembled for maintenance.
In the above step S204, when the microcontroller receives a valid indication signal and the indication signal indicates that the power battery is disassembled, the microcontroller checks the status signal stored in the memory. When the determined state signal is 1, the state signal is used for representing that the power battery is in a state allowing maintenance, the disassembly state is determined to be a normal disassembly state, and the microcontroller judges that the power battery is disassembled and maintained as normal disassembly at the time. At this Time, the microcontroller reads current Time of year, month, day, and the like information from a Clock module (Real Time Clock, abbreviated as RTC), reads global positioning system (Global Positioning System, abbreviated as GPS) position information from a position location module, and stores the read Time, position, and the like information in a memory.
In step S205, the microcontroller records the time and location information of the power battery that has been maliciously disassembled for maintenance.
In the above step S205, when the microcontroller receives a valid indication signal and the indication signal indicates that the power battery is disassembled, the microcontroller checks the status signal stored in the memory. When the determined state signal is 0, the microcontroller determines that the power battery disassembly maintenance is malicious disassembly at the moment in response to the state signal used for representing that the power battery is in a maintenance prohibited state and determines that the disassembly state is a disassembly prohibited state. At this time, the microcontroller reads the current time information of year, month, day, etc. from the RTC clock module, reads the GPS position information from the position locating module, and stores the read time and position information in the memory.
In step S206, the microcontroller informs the vehicle manufacturer and user via the wireless transmitting device.
In step S206, the microcontroller determines that the power battery is maliciously disassembled, reads the time and position information of the maliciously disassembled power battery, and then sends an early warning to the after-sales service cloud through the wireless transmitting device, and simultaneously sends the read time and position information. After receiving the early warning, the after-sales service cloud informs the vehicle owners and the vehicle sales shops through the after-sales service network.
Fig. 3 is a schematic diagram of an apparatus for preventing a power battery from being disassembled maliciously, where, as shown in fig. 3, the apparatus for preventing a power battery from being disassembled maliciously includes a power battery 301, a disassembly indication switch 302, an indication signal 303, a microcontroller 304, a memory 305, an after-sales encryption device 306, a clock module 307, a position location module 308, a wireless transmitting device 309, and an after-sales service cloud 310. The disassembly indication switch is arranged at the joint of the upper box body and the lower box body in the power battery, and an indication signal of the disassembly indication switch is used for indicating that the power battery is disassembled. The microcontroller is used for acquiring an indication signal of the disassembly indication switch, determining a state signal of the power battery, storing the acquired RTC clock signal and GPS position positioning information into the memory, confirming a secret key with the after-sales encryption equipment, judging whether the power battery is maliciously disassembled, and sending early warning information to the after-sales service cloud through the wireless transmitting device when the power battery is maliciously disassembled. And the clock module is used for providing year, month, day and calendar information when the power battery is disassembled. And the position positioning module is used for providing GPS position information when the power battery is disassembled.
As can be seen from fig. 3, the power cell has a plurality of disassemble indication switches mounted therein, and when the microcontroller receives a valid indication signal and the indication signal indicates that the power cell is disassembled, the microcontroller looks at the status signal stored inside the memory and the status signal is modified by the after-market encryption device. The after-market encryption device performs key validation with the microcontroller before modifying the status signal. When the determined state signal is 0, the microcontroller determines that the power battery disassembly maintenance is malicious disassembly at the moment in response to the state signal used for representing that the power battery is in a maintenance prohibited state and determines that the disassembly state is a disassembly prohibited state. At this time, the microcontroller reads the current time information of year, month, day and time from the clock module, reads GPS position information from the position positioning module, stores the read time and position information into the memory, and the microcontroller supplies power to the clock module and the position positioning module, so as to prevent the clock module and the position positioning module from being unable to work normally due to external power interruption. And finally, the microcontroller sends malicious disassembly alarm information to the after-sales service cloud through the wireless transmitting device, and simultaneously sends the read time and position information. After receiving the early warning, the after-sales service cloud informs the vehicle owners and the vehicle sales shops through the after-sales service network.
Fig. 4 is a flowchart of power battery maintenance according to an embodiment of the present invention, as shown in fig. 4, the flowchart including the steps of:
in step S401, the after-market encryption device confirms the key with the microcontroller.
In step S401 described above, the after-market encryption device performs key confirmation with the microcontroller before the power battery is serviced.
Step S402, whether the key check is successful.
In the step S402, if the after-sales encryption device and the micro controller key are successfully checked, the process proceeds to step S403; if the after-sales encryption device fails to check with the micro controller key, the process proceeds to step S407.
In step S403, the after-market encryption device sets the status signal to 1.
In step S403, the after-market encryption device modifies the status signal to 1.
And step S404, disassembling and maintaining the power battery.
Step S405, the maintenance of the power battery is completed and restored.
In step S406, the after-market encryption device sets the status signal to 0.
In step S406, after the power battery is disassembled and repaired, the after-sales encryption device modifies the status signal from 1 to 0.
In step S407, the after-sales encryption device prompts whether to recheck.
In step S407 described above, after the after-market encryption device fails to check with the microcontroller key, the after-market encryption device prompts whether to check again.
Step S408, whether the key is re-checked.
In the step S408, the after-sales encryption device prompts for a re-verification key, and if a re-verification key is selected, the process proceeds to step S401 again; if it is selected not to re-verify the key, the process advances to step S409.
Step S409, the maintenance operation is ended.
In the embodiment of the invention, the indication signal of the disassembly indication switch is obtained, wherein the indication signal is used for indicating that the power battery is disassembled; determining a status signal of the power battery in response to the indication signal for indicating that the power battery is disassembled, wherein the status signal is used for determining whether the power battery is in a state allowing maintenance; and determining a dismantling state of the power battery based on the state signal, wherein the dismantling state is used for representing whether the dismantling state of the power battery is a normal dismantling state or not. That is, through obtaining the inside instruction signal of disassembling the instruction switch of power battery and the status signal of power battery, based on the status signal of confirm, confirm whether power battery's the state of disassembling is the state of disassembling normally, only when the state of disassembling is the state of disassembling normally, only allow to disassemble power battery to realized effectively preventing power battery by maliciously disassembled technological effect, solved the technical problem that can't effectively prevent power battery by maliciously disassembled.
Example 3
According to the embodiment of the invention, a device for determining the disassembly state of the power battery is also provided. The power cell disassembly state determination device may be used to perform the power cell disassembly state determination method in embodiment 1.
Fig. 5 is a schematic view of a determination device of a disassembled state of a power battery according to an embodiment of the present invention. As shown in fig. 5, the power cell disassembly state determining apparatus 500 may include: an acquisition unit 502, a processing unit 504, and a determination unit 506.
The obtaining unit 502 is configured to obtain an indication signal for disassembling the indication switch, where the indication signal is used to indicate that the power battery is disassembled.
A processing unit 504, configured to determine a status signal of the power battery in response to the indication signal for indicating that the power battery is disassembled, wherein the status signal is used to determine whether the power battery is in a state allowing maintenance.
The determining unit 506 is configured to determine a disassembly state of the power battery based on the state signal, where the disassembly state is used to characterize whether the disassembly state of the power battery is a normal disassembly state.
Optionally, the determining unit 506 includes: and the first determining module is used for responding to the state signal and used for representing that the power battery is in a state allowing maintenance, and determining that the dismantling state is a normal dismantling state.
Optionally, the determining unit 506 further includes: and the second determining module is used for responding to the state signal and used for representing that the power battery is in a maintenance forbidden state and determining that the disassembly state is the disassembly forbidden state.
Optionally, the apparatus further comprises: and the triggering unit is used for responding to the disassembly prohibition state, prohibiting the disassembly of the power battery and triggering prompt information.
Optionally, the trigger unit includes: the acquisition module is used for responding to the disassembly state as the disassembly prohibition state and acquiring the position information of the power battery and the time information of the current moment; and the display module is used for sending prompt information containing the position information and the time information to the terminal and displaying the prompt information in a display interface of the terminal.
Optionally, the apparatus further comprises: the second acquisition unit is used for acquiring the secret key input by the terminal; and the second determining unit is used for determining that the terminal and the power battery are successfully connected in response to the fact that the secret key is matched with the identity information of the power battery.
Optionally, the apparatus further comprises: the third acquisition unit is used for responding to the successful connection between the terminal and the power battery and acquiring state data input by the terminal; and a modifying unit for modifying the state signal of the power battery based on the state data.
In the embodiment of the invention, the acquisition unit is used for acquiring the indication signal of the disassembly indication switch, wherein the indication signal is used for indicating that the power battery is disassembled; determining, by the processing unit, a status signal of the power battery in response to the indication signal for indicating that the power battery is disassembled, wherein the status signal is used for determining whether the power battery is in a state allowing maintenance; the power battery disassembly state is determined based on the state signal through the determining unit, wherein the disassembly state is used for representing whether the power battery disassembly state is a normal disassembly state or not, so that the technical effect of effectively preventing the power battery from being maliciously disassembled is achieved, and the technical problem that the power battery cannot be effectively prevented from being maliciously disassembled is solved.
Example 4
According to an embodiment of the present invention, there is also provided a vehicle for performing the method of determining the disassembled state of any one of the power cells of embodiment 1.
Example 5
According to an embodiment of the present invention, there is also provided a computer-readable storage medium including a stored program, wherein the program executes the method of determining the disassembled state of any one of the power cells in embodiment 1.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present invention, it should be understood that the disclosed technology may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of units may be a logic function division, and there may be another division manner in actual implementation, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the method of the various embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. The method for determining the disassembly state of the power battery is characterized in that a disassembly indication switch is arranged in the power battery, and the method comprises the following steps:
acquiring an indication signal of the disassembly indication switch, wherein the indication signal is used for indicating that the power battery is disassembled;
determining a status signal of the power battery in response to the indication signal for indicating that the power battery is disassembled, wherein the status signal is used for determining whether the power battery is in a state allowing maintenance;
and determining a dismantling state of the power battery based on the state signal, wherein the dismantling state is used for representing whether the dismantling state of the power battery is a normal dismantling state or not.
2. The method of claim 1, wherein determining the disassembled state of the power cell based on the state signal comprises:
And responding to the state signal to represent that the power battery is in a state allowing maintenance, and determining that the dismantling state is a normal dismantling state.
3. The method of claim 1, wherein determining the disassembled state of the power cell based on the state signal comprises:
and determining that the disassembly state is an disassembly prohibition state in response to the state signal for representing that the power battery is in the maintenance prohibition state.
4. A method according to claim 3, characterized in that the method further comprises:
and responding to the disassembly state as a disassembly prohibition state, prohibiting the power battery from being disassembled, and triggering prompt information.
5. The method of claim 4, wherein triggering the hint information in response to the disassembly state being the disassembly disabled state comprises:
responding to the disassembly state as a disassembly prohibition state, and acquiring the position information of the power battery and the time information of the current moment;
and sending prompt information containing the position information and the time information to a terminal, and displaying the prompt information in a display interface of the terminal.
6. The method according to claim 1, wherein the method further comprises:
Acquiring a secret key input by a terminal;
and responding to the fact that the secret key is matched with the identity information of the power battery, and determining that the terminal is successfully connected with the power battery.
7. The method of claim 6, wherein the method further comprises:
acquiring state data input by the terminal in response to successful connection between the terminal and the power battery;
modifying the status signal of the power cell based on the status data.
8. The utility model provides a power battery's determination device of disassembled state which characterized in that, power battery's internally mounted has the instruction switch of disassembling, includes:
the acquisition unit is used for acquiring an indication signal of the disassembly indication switch, wherein the indication signal is used for indicating that the power battery is disassembled;
a processing unit for determining a status signal of the power battery in response to the indication signal for indicating that the power battery is disassembled, wherein the status signal is used for determining whether the power battery is in a state allowing maintenance;
and the determining unit is used for determining the dismantling state of the power battery based on the state signal, wherein the dismantling state is used for representing whether the dismantling state of the power battery is a normal dismantling state or not.
9. A vehicle, characterized by being adapted to perform the method of any one of claims 1 to 7.
10. A computer readable storage medium, characterized in that the computer readable storage medium comprises a stored program, wherein the program, when run, controls a device in which the computer readable storage medium is located to perform the method of any one of claims 1 to 7.
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| CN202310274229.3A CN116238456A (en) | 2023-03-20 | 2023-03-20 | Method and device for determining disassembly state of power battery, vehicle and storage medium |
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